package lab02.test32;

import java.util.HashMap;
import java.util.Map;

public class Test32 {
    public static void main(String[] args) {
        String person[] = new String[5];
        Map<String, String> map = new HashMap<String, String>();
        map.put("id", "1");
        map.put("name", "张三");
        map.put("gender", "男");
        map.put("age", "25");
        map.put("love", "爱学java");

        for (Map.Entry<String, String> entry : map.entrySet()) {
            System.out.println(entry.getKey() + ":" + entry.getValue());
        }
        System.out.println("集合大小：" + map.size());
        map.remove("age");
        System.out.println("集合大小：" + map.size());

    }

}
